Electroelastic Coupled-Wave Scattering and Dynamic Stress Concentration of Piezoceramics Containing Regular N-Sided Holes

In this paper, the calculation method of dynamic stress concentration around piezoelectric ceramics containing regular <i<n</i<-sided holes under the action of electroelastic coupling wave was studied, and it was applied to promising barium calcium zirconate titanate material. First, ele...
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Autor*in:	Jiang Lin [verfasserIn] Chuanping Zhou [verfasserIn] Xiao Han [verfasserIn] Yongping Gong [verfasserIn] Jiawei Fan [verfasserIn] Junqi Bao [verfasserIn] Huawei Ji [verfasserIn] Jing Ni [verfasserIn] Weihua Zhou [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	regular polygon hole lead-free piezoelectric composites electroelastic coupling waves dynamic stress concentration factor incident angle

Übergeordnetes Werk:	In: Actuators - MDPI AG, 2013, 11(2022), 7, p 202
Übergeordnetes Werk:	volume:11 ; year:2022 ; number:7, p 202

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/act11070202

Katalog-ID:	DOAJ028549090

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520			\|a In this paper, the calculation method of dynamic stress concentration around piezoelectric ceramics containing regular <i<n</i<-sided holes under the action of electroelastic coupling wave was studied, and it was applied to promising barium calcium zirconate titanate material. First, electroelastic governing equations were decomposed by using the auxiliary function method, and the solution forms of the elastic wave field and electric field were obtained by using the wave function expansion method. Then, the triangular boundary was simplified to a circular boundary using the mapping function, and the corresponding modal coefficients were determined according to simplified boundary conditions. Finally, the dynamic stress-concentration factor was calculated to characterize the dynamic stress concentration. We performed numerical simulations with a correlation coefficient of (1 − <i<x</i<)[(Ba<sub<0.94</sub<Ca<sub<0.06</sub<) (Ti<sub<0.92</sub<Sn<sub<0.08</sub<)]-<i<x</i<Sm<sub<2</sub<O<sub<3</sub<-0.06 mol% GeO<sub<2</sub< (abbreviated as (1 − <i<x</i<)BCTS-<i<x</i<Sm-0.06G). The numerical calculation results show that the incident wave number, piezoelectric properties, shape parameters of the hole, and deflection angle have a great influence on the dynamic stress around the defect, and some significant laws are summarized through analysis.
650		4	\|a regular polygon hole
650		4	\|a lead-free piezoelectric composites
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653		0	\|a Materials of engineering and construction. Mechanics of materials
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allfields	10.3390/act11070202 doi (DE-627)DOAJ028549090 (DE-599)DOAJ68601f71d5b542d18ca1c78b1cb1d275 DE-627 ger DE-627 rakwb eng TA401-492 TK1001-1841 Jiang Lin verfasserin aut Electroelastic Coupled-Wave Scattering and Dynamic Stress Concentration of Piezoceramics Containing Regular N-Sided Holes 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, the calculation method of dynamic stress concentration around piezoelectric ceramics containing regular <i<n</i<-sided holes under the action of electroelastic coupling wave was studied, and it was applied to promising barium calcium zirconate titanate material. First, electroelastic governing equations were decomposed by using the auxiliary function method, and the solution forms of the elastic wave field and electric field were obtained by using the wave function expansion method. Then, the triangular boundary was simplified to a circular boundary using the mapping function, and the corresponding modal coefficients were determined according to simplified boundary conditions. Finally, the dynamic stress-concentration factor was calculated to characterize the dynamic stress concentration. We performed numerical simulations with a correlation coefficient of (1 − <i<x</i<)[(Ba<sub<0.94</sub<Ca<sub<0.06</sub<) (Ti<sub<0.92</sub<Sn<sub<0.08</sub<)]-<i<x</i<Sm<sub<2</sub<O<sub<3</sub<-0.06 mol% GeO<sub<2</sub< (abbreviated as (1 − <i<x</i<)BCTS-<i<x</i<Sm-0.06G). The numerical calculation results show that the incident wave number, piezoelectric properties, shape parameters of the hole, and deflection angle have a great influence on the dynamic stress around the defect, and some significant laws are summarized through analysis. regular polygon hole lead-free piezoelectric composites electroelastic coupling waves dynamic stress concentration factor incident angle Materials of engineering and construction. Mechanics of materials Production of electric energy or power. Powerplants. Central stations Chuanping Zhou verfasserin aut Xiao Han verfasserin aut Yongping Gong verfasserin aut Jiawei Fan verfasserin aut Junqi Bao verfasserin aut Huawei Ji verfasserin aut Jing Ni verfasserin aut Weihua Zhou verfasserin aut In Actuators MDPI AG, 2013 11(2022), 7, p 202 (DE-627)726491802 (DE-600)2682469-3 20760825 nnns volume:11 year:2022 number:7, p 202 https://doi.org/10.3390/act11070202 kostenfrei https://doaj.org/article/68601f71d5b542d18ca1c78b1cb1d275 kostenfrei https://www.mdpi.com/2076-0825/11/7/202 kostenfrei https://doaj.org/toc/2076-0825 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2022 7, p 202
spelling	10.3390/act11070202 doi (DE-627)DOAJ028549090 (DE-599)DOAJ68601f71d5b542d18ca1c78b1cb1d275 DE-627 ger DE-627 rakwb eng TA401-492 TK1001-1841 Jiang Lin verfasserin aut Electroelastic Coupled-Wave Scattering and Dynamic Stress Concentration of Piezoceramics Containing Regular N-Sided Holes 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, the calculation method of dynamic stress concentration around piezoelectric ceramics containing regular <i<n</i<-sided holes under the action of electroelastic coupling wave was studied, and it was applied to promising barium calcium zirconate titanate material. First, electroelastic governing equations were decomposed by using the auxiliary function method, and the solution forms of the elastic wave field and electric field were obtained by using the wave function expansion method. Then, the triangular boundary was simplified to a circular boundary using the mapping function, and the corresponding modal coefficients were determined according to simplified boundary conditions. Finally, the dynamic stress-concentration factor was calculated to characterize the dynamic stress concentration. We performed numerical simulations with a correlation coefficient of (1 − <i<x</i<)[(Ba<sub<0.94</sub<Ca<sub<0.06</sub<) (Ti<sub<0.92</sub<Sn<sub<0.08</sub<)]-<i<x</i<Sm<sub<2</sub<O<sub<3</sub<-0.06 mol% GeO<sub<2</sub< (abbreviated as (1 − <i<x</i<)BCTS-<i<x</i<Sm-0.06G). The numerical calculation results show that the incident wave number, piezoelectric properties, shape parameters of the hole, and deflection angle have a great influence on the dynamic stress around the defect, and some significant laws are summarized through analysis. regular polygon hole lead-free piezoelectric composites electroelastic coupling waves dynamic stress concentration factor incident angle Materials of engineering and construction. Mechanics of materials Production of electric energy or power. Powerplants. Central stations Chuanping Zhou verfasserin aut Xiao Han verfasserin aut Yongping Gong verfasserin aut Jiawei Fan verfasserin aut Junqi Bao verfasserin aut Huawei Ji verfasserin aut Jing Ni verfasserin aut Weihua Zhou verfasserin aut In Actuators MDPI AG, 2013 11(2022), 7, p 202 (DE-627)726491802 (DE-600)2682469-3 20760825 nnns volume:11 year:2022 number:7, p 202 https://doi.org/10.3390/act11070202 kostenfrei https://doaj.org/article/68601f71d5b542d18ca1c78b1cb1d275 kostenfrei https://www.mdpi.com/2076-0825/11/7/202 kostenfrei https://doaj.org/toc/2076-0825 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2022 7, p 202
allfields_unstemmed	10.3390/act11070202 doi (DE-627)DOAJ028549090 (DE-599)DOAJ68601f71d5b542d18ca1c78b1cb1d275 DE-627 ger DE-627 rakwb eng TA401-492 TK1001-1841 Jiang Lin verfasserin aut Electroelastic Coupled-Wave Scattering and Dynamic Stress Concentration of Piezoceramics Containing Regular N-Sided Holes 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, the calculation method of dynamic stress concentration around piezoelectric ceramics containing regular <i<n</i<-sided holes under the action of electroelastic coupling wave was studied, and it was applied to promising barium calcium zirconate titanate material. First, electroelastic governing equations were decomposed by using the auxiliary function method, and the solution forms of the elastic wave field and electric field were obtained by using the wave function expansion method. Then, the triangular boundary was simplified to a circular boundary using the mapping function, and the corresponding modal coefficients were determined according to simplified boundary conditions. Finally, the dynamic stress-concentration factor was calculated to characterize the dynamic stress concentration. We performed numerical simulations with a correlation coefficient of (1 − <i<x</i<)[(Ba<sub<0.94</sub<Ca<sub<0.06</sub<) (Ti<sub<0.92</sub<Sn<sub<0.08</sub<)]-<i<x</i<Sm<sub<2</sub<O<sub<3</sub<-0.06 mol% GeO<sub<2</sub< (abbreviated as (1 − <i<x</i<)BCTS-<i<x</i<Sm-0.06G). The numerical calculation results show that the incident wave number, piezoelectric properties, shape parameters of the hole, and deflection angle have a great influence on the dynamic stress around the defect, and some significant laws are summarized through analysis. regular polygon hole lead-free piezoelectric composites electroelastic coupling waves dynamic stress concentration factor incident angle Materials of engineering and construction. Mechanics of materials Production of electric energy or power. Powerplants. Central stations Chuanping Zhou verfasserin aut Xiao Han verfasserin aut Yongping Gong verfasserin aut Jiawei Fan verfasserin aut Junqi Bao verfasserin aut Huawei Ji verfasserin aut Jing Ni verfasserin aut Weihua Zhou verfasserin aut In Actuators MDPI AG, 2013 11(2022), 7, p 202 (DE-627)726491802 (DE-600)2682469-3 20760825 nnns volume:11 year:2022 number:7, p 202 https://doi.org/10.3390/act11070202 kostenfrei https://doaj.org/article/68601f71d5b542d18ca1c78b1cb1d275 kostenfrei https://www.mdpi.com/2076-0825/11/7/202 kostenfrei https://doaj.org/toc/2076-0825 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2022 7, p 202
allfieldsGer	10.3390/act11070202 doi (DE-627)DOAJ028549090 (DE-599)DOAJ68601f71d5b542d18ca1c78b1cb1d275 DE-627 ger DE-627 rakwb eng TA401-492 TK1001-1841 Jiang Lin verfasserin aut Electroelastic Coupled-Wave Scattering and Dynamic Stress Concentration of Piezoceramics Containing Regular N-Sided Holes 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, the calculation method of dynamic stress concentration around piezoelectric ceramics containing regular <i<n</i<-sided holes under the action of electroelastic coupling wave was studied, and it was applied to promising barium calcium zirconate titanate material. First, electroelastic governing equations were decomposed by using the auxiliary function method, and the solution forms of the elastic wave field and electric field were obtained by using the wave function expansion method. Then, the triangular boundary was simplified to a circular boundary using the mapping function, and the corresponding modal coefficients were determined according to simplified boundary conditions. Finally, the dynamic stress-concentration factor was calculated to characterize the dynamic stress concentration. We performed numerical simulations with a correlation coefficient of (1 − <i<x</i<)[(Ba<sub<0.94</sub<Ca<sub<0.06</sub<) (Ti<sub<0.92</sub<Sn<sub<0.08</sub<)]-<i<x</i<Sm<sub<2</sub<O<sub<3</sub<-0.06 mol% GeO<sub<2</sub< (abbreviated as (1 − <i<x</i<)BCTS-<i<x</i<Sm-0.06G). The numerical calculation results show that the incident wave number, piezoelectric properties, shape parameters of the hole, and deflection angle have a great influence on the dynamic stress around the defect, and some significant laws are summarized through analysis. regular polygon hole lead-free piezoelectric composites electroelastic coupling waves dynamic stress concentration factor incident angle Materials of engineering and construction. Mechanics of materials Production of electric energy or power. Powerplants. Central stations Chuanping Zhou verfasserin aut Xiao Han verfasserin aut Yongping Gong verfasserin aut Jiawei Fan verfasserin aut Junqi Bao verfasserin aut Huawei Ji verfasserin aut Jing Ni verfasserin aut Weihua Zhou verfasserin aut In Actuators MDPI AG, 2013 11(2022), 7, p 202 (DE-627)726491802 (DE-600)2682469-3 20760825 nnns volume:11 year:2022 number:7, p 202 https://doi.org/10.3390/act11070202 kostenfrei https://doaj.org/article/68601f71d5b542d18ca1c78b1cb1d275 kostenfrei https://www.mdpi.com/2076-0825/11/7/202 kostenfrei https://doaj.org/toc/2076-0825 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2022 7, p 202
allfieldsSound	10.3390/act11070202 doi (DE-627)DOAJ028549090 (DE-599)DOAJ68601f71d5b542d18ca1c78b1cb1d275 DE-627 ger DE-627 rakwb eng TA401-492 TK1001-1841 Jiang Lin verfasserin aut Electroelastic Coupled-Wave Scattering and Dynamic Stress Concentration of Piezoceramics Containing Regular N-Sided Holes 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, the calculation method of dynamic stress concentration around piezoelectric ceramics containing regular <i<n</i<-sided holes under the action of electroelastic coupling wave was studied, and it was applied to promising barium calcium zirconate titanate material. First, electroelastic governing equations were decomposed by using the auxiliary function method, and the solution forms of the elastic wave field and electric field were obtained by using the wave function expansion method. Then, the triangular boundary was simplified to a circular boundary using the mapping function, and the corresponding modal coefficients were determined according to simplified boundary conditions. Finally, the dynamic stress-concentration factor was calculated to characterize the dynamic stress concentration. We performed numerical simulations with a correlation coefficient of (1 − <i<x</i<)[(Ba<sub<0.94</sub<Ca<sub<0.06</sub<) (Ti<sub<0.92</sub<Sn<sub<0.08</sub<)]-<i<x</i<Sm<sub<2</sub<O<sub<3</sub<-0.06 mol% GeO<sub<2</sub< (abbreviated as (1 − <i<x</i<)BCTS-<i<x</i<Sm-0.06G). The numerical calculation results show that the incident wave number, piezoelectric properties, shape parameters of the hole, and deflection angle have a great influence on the dynamic stress around the defect, and some significant laws are summarized through analysis. regular polygon hole lead-free piezoelectric composites electroelastic coupling waves dynamic stress concentration factor incident angle Materials of engineering and construction. Mechanics of materials Production of electric energy or power. Powerplants. Central stations Chuanping Zhou verfasserin aut Xiao Han verfasserin aut Yongping Gong verfasserin aut Jiawei Fan verfasserin aut Junqi Bao verfasserin aut Huawei Ji verfasserin aut Jing Ni verfasserin aut Weihua Zhou verfasserin aut In Actuators MDPI AG, 2013 11(2022), 7, p 202 (DE-627)726491802 (DE-600)2682469-3 20760825 nnns volume:11 year:2022 number:7, p 202 https://doi.org/10.3390/act11070202 kostenfrei https://doaj.org/article/68601f71d5b542d18ca1c78b1cb1d275 kostenfrei https://www.mdpi.com/2076-0825/11/7/202 kostenfrei https://doaj.org/toc/2076-0825 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2027 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2022 7, p 202
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authorswithroles_txt_mv	Jiang Lin @@aut@@ Chuanping Zhou @@aut@@ Xiao Han @@aut@@ Yongping Gong @@aut@@ Jiawei Fan @@aut@@ Junqi Bao @@aut@@ Huawei Ji @@aut@@ Jing Ni @@aut@@ Weihua Zhou @@aut@@
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callnumber-first	T - Technology
author	Jiang Lin
spellingShingle	Jiang Lin misc TA401-492 misc TK1001-1841 misc regular polygon hole misc lead-free piezoelectric composites misc electroelastic coupling waves misc dynamic stress concentration factor misc incident angle misc Materials of engineering and construction. Mechanics of materials misc Production of electric energy or power. Powerplants. Central stations Electroelastic Coupled-Wave Scattering and Dynamic Stress Concentration of Piezoceramics Containing Regular N-Sided Holes
authorStr	Jiang Lin
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topic_title	TA401-492 TK1001-1841 Electroelastic Coupled-Wave Scattering and Dynamic Stress Concentration of Piezoceramics Containing Regular N-Sided Holes regular polygon hole lead-free piezoelectric composites electroelastic coupling waves dynamic stress concentration factor incident angle
topic	misc TA401-492 misc TK1001-1841 misc regular polygon hole misc lead-free piezoelectric composites misc electroelastic coupling waves misc dynamic stress concentration factor misc incident angle misc Materials of engineering and construction. Mechanics of materials misc Production of electric energy or power. Powerplants. Central stations
topic_unstemmed	misc TA401-492 misc TK1001-1841 misc regular polygon hole misc lead-free piezoelectric composites misc electroelastic coupling waves misc dynamic stress concentration factor misc incident angle misc Materials of engineering and construction. Mechanics of materials misc Production of electric energy or power. Powerplants. Central stations
topic_browse	misc TA401-492 misc TK1001-1841 misc regular polygon hole misc lead-free piezoelectric composites misc electroelastic coupling waves misc dynamic stress concentration factor misc incident angle misc Materials of engineering and construction. Mechanics of materials misc Production of electric energy or power. Powerplants. Central stations
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title	Electroelastic Coupled-Wave Scattering and Dynamic Stress Concentration of Piezoceramics Containing Regular N-Sided Holes
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title_full	Electroelastic Coupled-Wave Scattering and Dynamic Stress Concentration of Piezoceramics Containing Regular N-Sided Holes
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author_browse	Jiang Lin Chuanping Zhou Xiao Han Yongping Gong Jiawei Fan Junqi Bao Huawei Ji Jing Ni Weihua Zhou
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title_sort	electroelastic coupled-wave scattering and dynamic stress concentration of piezoceramics containing regular n-sided holes
callnumber	TA401-492
title_auth	Electroelastic Coupled-Wave Scattering and Dynamic Stress Concentration of Piezoceramics Containing Regular N-Sided Holes
abstract	In this paper, the calculation method of dynamic stress concentration around piezoelectric ceramics containing regular <i<n</i<-sided holes under the action of electroelastic coupling wave was studied, and it was applied to promising barium calcium zirconate titanate material. First, electroelastic governing equations were decomposed by using the auxiliary function method, and the solution forms of the elastic wave field and electric field were obtained by using the wave function expansion method. Then, the triangular boundary was simplified to a circular boundary using the mapping function, and the corresponding modal coefficients were determined according to simplified boundary conditions. Finally, the dynamic stress-concentration factor was calculated to characterize the dynamic stress concentration. We performed numerical simulations with a correlation coefficient of (1 − <i<x</i<)[(Ba<sub<0.94</sub<Ca<sub<0.06</sub<) (Ti<sub<0.92</sub<Sn<sub<0.08</sub<)]-<i<x</i<Sm<sub<2</sub<O<sub<3</sub<-0.06 mol% GeO<sub<2</sub< (abbreviated as (1 − <i<x</i<)BCTS-<i<x</i<Sm-0.06G). The numerical calculation results show that the incident wave number, piezoelectric properties, shape parameters of the hole, and deflection angle have a great influence on the dynamic stress around the defect, and some significant laws are summarized through analysis.
abstractGer	In this paper, the calculation method of dynamic stress concentration around piezoelectric ceramics containing regular <i<n</i<-sided holes under the action of electroelastic coupling wave was studied, and it was applied to promising barium calcium zirconate titanate material. First, electroelastic governing equations were decomposed by using the auxiliary function method, and the solution forms of the elastic wave field and electric field were obtained by using the wave function expansion method. Then, the triangular boundary was simplified to a circular boundary using the mapping function, and the corresponding modal coefficients were determined according to simplified boundary conditions. Finally, the dynamic stress-concentration factor was calculated to characterize the dynamic stress concentration. We performed numerical simulations with a correlation coefficient of (1 − <i<x</i<)[(Ba<sub<0.94</sub<Ca<sub<0.06</sub<) (Ti<sub<0.92</sub<Sn<sub<0.08</sub<)]-<i<x</i<Sm<sub<2</sub<O<sub<3</sub<-0.06 mol% GeO<sub<2</sub< (abbreviated as (1 − <i<x</i<)BCTS-<i<x</i<Sm-0.06G). The numerical calculation results show that the incident wave number, piezoelectric properties, shape parameters of the hole, and deflection angle have a great influence on the dynamic stress around the defect, and some significant laws are summarized through analysis.
abstract_unstemmed	In this paper, the calculation method of dynamic stress concentration around piezoelectric ceramics containing regular <i<n</i<-sided holes under the action of electroelastic coupling wave was studied, and it was applied to promising barium calcium zirconate titanate material. First, electroelastic governing equations were decomposed by using the auxiliary function method, and the solution forms of the elastic wave field and electric field were obtained by using the wave function expansion method. Then, the triangular boundary was simplified to a circular boundary using the mapping function, and the corresponding modal coefficients were determined according to simplified boundary conditions. Finally, the dynamic stress-concentration factor was calculated to characterize the dynamic stress concentration. We performed numerical simulations with a correlation coefficient of (1 − <i<x</i<)[(Ba<sub<0.94</sub<Ca<sub<0.06</sub<) (Ti<sub<0.92</sub<Sn<sub<0.08</sub<)]-<i<x</i<Sm<sub<2</sub<O<sub<3</sub<-0.06 mol% GeO<sub<2</sub< (abbreviated as (1 − <i<x</i<)BCTS-<i<x</i<Sm-0.06G). The numerical calculation results show that the incident wave number, piezoelectric properties, shape parameters of the hole, and deflection angle have a great influence on the dynamic stress around the defect, and some significant laws are summarized through analysis.
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container_issue	7, p 202
title_short	Electroelastic Coupled-Wave Scattering and Dynamic Stress Concentration of Piezoceramics Containing Regular N-Sided Holes
url	https://doi.org/10.3390/act11070202 https://doaj.org/article/68601f71d5b542d18ca1c78b1cb1d275 https://www.mdpi.com/2076-0825/11/7/202 https://doaj.org/toc/2076-0825
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author2	Chuanping Zhou Xiao Han Yongping Gong Jiawei Fan Junqi Bao Huawei Ji Jing Ni Weihua Zhou
author2Str	Chuanping Zhou Xiao Han Yongping Gong Jiawei Fan Junqi Bao Huawei Ji Jing Ni Weihua Zhou
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doi_str	10.3390/act11070202
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up_date	2024-07-03T18:10:12.395Z
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Electroelastic Coupled-Wave Scattering and Dynamic Stress Concentration of Piezoceramics Containing Regular N-Sided Holes

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